USCG USCG ROR
Set 8 • Question #424 of 475
Launch Interactive Practice Room BOTH INTERNATIONAL & INLAND A "flashing light", by the definition given in the rules, is a light that __________.
A
is red in color
B
is visible over an arc of the horizon of 360°
C
flashes at regular intervals at a frequency of 120 flashes or more per minute
✓ Correct Answer
D
All of the above
USCG NMC Regulatory Explanation
Under Inland Navigation Rules, for the condition where 'A "flashing light", by the definition given in the rules, is a light that', the correct requirement is: 'flashes at regular intervals at a frequency of 120 flashes or more per minute'. This standard ensures clear navigational intent and collision avoidance.
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